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(No Model.) 2 Sheets-Sheet 1.

0. A. HUSSEY. PRIMARY ELECTRIC CLOCK.

No. 350,431. Patented 001;. 5, 1886.

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G. A. HUSSEY.

PRIMARY ELBGTRIG CLOCK.

No; 350,431. Patented Oct. 5, 1886.

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' the red A 50 makes contact with the oftset or shoulder a of UNITED STATES PATENT. OFFICE.

CHARLES A. HUSSEY, OF NEW YORK, N. Y.

PRIMARY ELECTRiC CLOCK.

SPECIFICATION forming part of Letters Patent No. 350,431, dated October 5, 1886.

Application filed June 18, 1886. Grrial Xo. "205.562.

To all 207mm it may concern.-

Be it k now n that l, CHARLES A. H USSEY, of New York, in the county of New York and State of New York, have invented a certain new and useful Improvement in a Primary Clock orll-egulator for Use in an ElectricTime- Indicating System, of which the following is a specification.

I will describe a primary clock or regulator embodying my improvement, and then point out the various novel features in the claims.

In the accompanying drawings, Figure 1 is a perspective view of parts of a primary clock or regulator embodying my improvement. Fig. 2 is a side view, partly in section, of this clock or regulator. Fig. 3 is a section of the clock or regulator, taken at the plane of the dotted line as .r, Fig. 2, and looking rearward ly. Fig. 4 is an elevation, and Fig. 5 a plan view, of adetail.

Similar letters of reference designate corresponding parts in all the figures.

A designates the sweep secondarbor in a primary mechanical clock or regulator. This clock or regulator may be of any suitable ki nd and operated by a weight. The shaft A, it must be understood, makes one complete rotation during each minute. On the shaft A is affixed a wheel, A, having a notch, a, in its periphery. Adjacent to the wheel A a wheel, A", is arranged in the primary clock or regulator. As shown, the wheel A is journaled loosely in a swinging arm, A, which is pivotally connected to a rod, A, located in the primary clock or regulator. The wheel A rests upon the periphery of the wheel A. \Vhenever the notch a in the periphery of the wheel A comes opposite the wheel A the lat ter drops into it. The arm A" of course descends with the wheel A when the latter drops into the notch.

A designates a rod in the primary clock or regulator, which has at the lower end an offset or shoulder, a, extending under the swinging arm A. As shown, the arm A has a pro jection, a opposite the offset or shoulder a, of

\Vhen the swinging arm A descends on the dropping of the wheel A into the notch a of the wheel A, the projection a the swinging arm A".

The rods A" A and the swinging arm A" (No model are to be made of metal. The other parts which I have mentioned may or may not be of metal. The rods A A are to be insulated from each other. This may be done by supporting them in a frame ofinsnlating material, A, or by interposing pieces of insulating material between them and the frame, if the latter is not made of insulating material. The red A has connected to it a wire, A which extends to one pole of an electric battery, A". From the other pole of the battery A a wire, A", extends. A wire, A extends from the rod \Vhenever the swinging arm A" descends in the manner which I have explained, and. its projection a makes contact with the offset or shoulder (t of the rod A, the wires A and A are in electrical communication. This electrical communication will be only momentary, owing to the fact that the notch a of the wheel A is of very slight extent. The notch is preferably so short in the direction of the periphery of the wheel A. that the contact of the projection (t of the swinging arm A with the offset or shoulder 11 of the rod A will exist only for two seconds during each rotation of the sweep seeondshaft A.

The rod A is adjustably supported. In the present instance it extends through the frame A, and is screw-[.11 readed at the portion which extends through the frame. Above and below the frame A nuts (1 0" are applied to the screw-threaded portion of this rod. By adjusting these nuts the rod may be raised or lowered. Thus the duration of the contact between the protection a? ofthe swinging arm A and the shoulder a of the rod A may be regulated. The shoulder (1 is therefore an adjustable contaet-picce. The rod A may be supported like the rod A.

The wires A A form part of a, circuit, which, in conjunction with certain contrivances,serves to effect the operation of one part of the electric or secondary clot-ks which are employed. This circuit will be normaTly closed each time that the swinging arm A is allowed to drop, so that its projection a will make contact with the offset or shoulder (t of the rod A.

3" designates a rod arranged in the primary clock or regulator, and. preferably supported like the rod It is to be made of 1netal,and has at the lower end an offset or shoulder, 1).

IOO

B is a swinging arm made of metal and having a projection, b opposite the offset or shoulder b of the rod B The swinging arm B has journals supported by bearings consisting of screws or pins b fitted in metal rods B B The rod B is connected by a wire, B, with the rod A, and hence is in electrical-communication with the wire A which leads to one pole of the battery. The rods B B are insulated from each other and from the rods A A A wire, B", extends from the rod B \Vhenever the swinging arm B 'is'allowed to descend,so that its projections b will make contact with the offset or shoulder b" of the rod B an electric circuit will be completed from the battery A along the wire A to the wire B, thence through the 'wi re B to the swinging arm B, thence over the latter to the rod B and thence along the wire B. The wires B A form part of a circuit for controlling a different part of the electric or secondary clocks from that part which is controlled by the circuit of which the wires A A form part. For instance, the circuit of which the wires A A form part may control the part of the electric or secondary clocks whereby minutes and hours are recorded, and the circuit of which the wires B" A form part may control a part of the electric or secondary clocks whereby days of the month will be indicated.

I will now describe the manner in which the swinging arm B is operated. B designates a rod supported in the frame of the primary clock or regulator. Under it is arranged a rotary shaft, B, on which is affixed a wheel, B, having a cam-surface, b, 011 one side. The lower end of the rod B is provided with an offset, b, that projects into the path of the cam-surface b" of the wheel B, and is adapted to extend under a projection, I), with which the swinging arm B is provided. The lower portion of the rod B is resilient. When the cam surface b of the wheel B comes opposite the rod B, the latter will be sprung aside. Its offset I) will then be moved from under the swinging arm B, and the latter will descend, so that its projections b will make contact with the offset b of therod As soon as the camsurfaee I) has passed by the rod B, the latter will be ready to assume its original posit-ion and support the swinging arm B again. It cannot, however, assumeits normal position until the swinging arm has been raised to its normal position. The swingingarm B will be raised to its normal position by a cam or eccentric, B, on the sweep sec0nd-shaft A.- As the shaft A rotates rapidly, the swinging arm B will only be left in contact with the rod B momentarily. Theshaft B is provided with a wheel, B, which has twenty-four teeth. On the sweep secondshaft A a tubular minute-hand shaft, B is arranged. This minute-hand shaft makes a rotationonce every hour, and is provided with a wheel, B having a single tooth that en gages once in each rotation with the wheel B, and moves the latter a short distance. A spring-actuated tooth, B", which engages with the wheel B, insures the latter being moved a distance equal to the distance between two adjacent teeth each time the wheel B engages with it. This spring-actuated tooth also completes each movement of the wheel B quickly, the tooth of the wheel B serving merely tostart the movement. The tooth B also prevents the wheel B from movingbackward. The camsurface I) on the wheel B is to-be so short that when the tooth on the wheel B engages a tooth on the wheel B and moves the latter rotarily for the twenty-fourth time, the wheel B will be rotated far enough to cause the cam-surface I) to swing the rod B, and pass under and beyond the same, thus allowing the rod B to return quickly to its normal position.

' I will not occupy time with the description of the other parts of the primary clock or regulator, as they are'not involved in my invention,and may be of any desirable construction.

Obviously the primary clock or regulator must be so organized that the swinging arm A cannot make contact with the rod A at the same time that the swinging arm B makes contact with the rod B. Y

I do not here lay claim to the combination of my primary clock or regulator with other parts of an electric time-indicating system in which it may be used, as I intend to file other applications for Letters Patent covering combinations of such primary clock or regulator with other parts of an electric time-indicating system.

What I claim as myinvention, and desire to secure by Letters Patent,,is-

1. In a primary clock or regulator, the combination of the rod A, the rod A having an adjustable contact-piece, the swinging arm A provided with auwheel, A said swinging arm being fulcrumed at one end, and having a contactpiece between the fulcrum and said wheel,

and a shaft,A,provided with a notched wheel, A, substantially as specified.

2. In a primary clock or regulator, the combination of the rod B swinging arm B rod B shaft B, wheel B, wheel B, wheel B on the shaft B and cam or eccentric B on the shaft A, substantially as specified.

3. In a primary clock or regulator, the combination of rod A, swinging arm A rod A rod B swinging arm B, and mechanism for operating the swinging arms A B.

O. A. HUSSEY.

Witnesses:

DANIEL H. DRISGOLL, J AS. R. BOWEN. 

